Sell Loose Diamonds

Loose DiamondsLoose DiamondsLoose Diamonds

Why Choose Us

We can use and will purchase every loose diamond sent into us. We can probably pay more than any of our competitors because we are also manufacturing jewellers of 40 years standing. We have 3 sister companies which all use diamonds. So we never have enough diamonds.
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How We Assess Your Diamonds

When your loose diamonds arrive in our diamond buying office we always follow a strict procedure which include:
1. Weigh them in on our diamond scales, to confirm the actual weight tallies with yours.
2. Put them through our ultrasonic to get all the natural grease and dirt that may have built up on them.
3. Now make sure there are no CZ or synthetic diamonds, no chipped diamonds , that may have accidentally got mixed up in the parcel.
4. Split into different diamond shapes.
5. Split into different diamond sizes.
6. Split into different diamond colours.
7. Split into different diamond purities.

Once the 7 above stages has been carried out by our fully trained in-house gemologists, we can then evaluate each diamond batch type of what you have sent in and then evaluate the current market price we can pay you for your whole loose diamond parcel.

This same process is followed out if it is from 1diamond to 1000. There are no short cuts as each diamond is different to the next, and for us to do our job properly for ourselves and for doing justice to your goods we always follow the same process.

The whole above process we can normally sort out within the day of arrival and if there is so much to do we will phone you and give you an update to say your goods have arrived. If not processed on the same day it will be by the next day.
Besides buying loose diamonds from any individual we buy on a daily basis from jewellers and diamond dealers in UK and Europe and are happy to purchase as much is being supplied to us.

What types of diamonds do we buy?
Most diamonds offered to us are modern cut diamonds, which are brilliant cut diamonds, polished from post Second World War. We are always happy to purchase Georgian, Victorian and Edwardian cut diamonds, in any shape, size or carat weight.

What shape diamonds do we buy?

Diamond Shapes

How We Pay You For Your Diamonds

Once you apply on-line or by phone or by live chat for one of our Royal Mail Special delivery Diamond packs we will automatically send you one to the name and address given to us. We will send it out to you with a pouch for your goods , plus a bubble wrap bag for you to put your pouch in, and then these 2 items with your goods, you can place in our Royal Mail bag and send it to us from your local Post Office. Our free diamond pack which we have sent you is automatically insured for up to £550. If your goods are worth more which normally they are, then when you get to the Post Office Counter please say that you wish to pay the extra cost of £2 on our parcel which will then give you a full insurance cover of £2500. The £2 we will reimburse you when we purchase your items.

When your parcel has arrived with us the next day before 1pm we will sign for it and then we will process your parcel through our system. Once we have evaluated your goods we will contact you by phone preferably to tell you the maximum price we can pay for your goods.
Assuming you are happy with our offer we will then ask you for your bank details and do a BACS transfer direct into your account .

In the unlikely event of us not purchasing your items, we will return to you free of charge, in a fully registered diamond pack back to the address given to us at your request. The pack will be fully covered by us irrespective of its value for the maximum insurance value of £2,500.

If you do not feel comfortable using the Royal Mail, please come in and visit us at our premises at 48b Hendon Lane, London N3 1TT.

Opening times
Monday to Friday 10am – 4pm without an appointment or
Saturday 9am – 1pm by appointment only.

Contact info
Telephone us on 0208 446 8538
Contact us on Live Chat
Send us e-mail at [email protected]

Diamond Calculator

    Please provide the details below to access and open the calculator and get an instant price for your diamond and or diamond jewellery.
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      Next step: Fill in all the details below, to get an instant cash price for your diamond. Our calculator is giving prices for single diamonds only.

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      "We will also pay you the market price for the gold or platinum in your diamond jewellery."

      Contact Our Experts

      Our in-house diamond experts have between them 50 years experience within the diamond and jewellery industry. This gives the assurance that we are well placed to offer you the best possible price within the market for your goods. Our process is transparent, friendly, safe and quick. All your goods sent to us are all fully insured whilst in our possession under our Jewellers Lloyds of London Insurance Policy.


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      The Jewellery Cave group of companies

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